Seiko Cal. 7171 - 757

This Spring Drive model from 1985 features a 39mm Two-Tone case. Powered by the 7171 caliber with 18j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-bc61820d0176]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1985

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